4007865
Fuel Drain Tube
Cummins®

Introduction

The Cummins 4007865 Fuel Drain Tube is a vital component in the fuel systems of commercial trucks. It facilitates the drainage of fuel and contaminants from the fuel tank, contributing to the cleanliness and efficiency of the fuel system, which is crucial for engine performance and longevity ².

Purpose and Function

The Fuel Drain Tube serves as a conduit for removing fuel and impurities from the fuel tank. It allows for the periodic drainage of water, sediment, and other contaminants, preventing them from entering the fuel lines and causing damage to sensitive engine components ³.

Key Features

This Cummins part is designed from high-quality, corrosion-resistant materials to withstand the pressures and temperatures within the fuel system. Its precise fittings and connections ensure a secure and leak-free installation ¹.

Benefits

By enabling the regular removal of contaminants, the Fuel Drain Tube contributes to a cleaner fuel system, leading to improved engine performance and extended component lifespan, reducing the need for frequent repairs or replacements ².

Installation and Usage

Proper installation of the Fuel Drain Tube is essential for its effective operation. It involves securing the tube to the fuel tank and ensuring all connections are tight and leak-free. Regular maintenance includes draining fuel according to manufacturer-recommended intervals and inspecting the fuel condition ³.

Troubleshooting

Common issues with the Fuel Drain Tube include leaks, blockages, or damage. Troubleshooting involves inspecting the tube and connections for wear or malfunction, tightening connections if leaks are detected, and flushing the tube to clear blockages ¹.

Maintenance Tips

To ensure optimal performance, regular inspection of the Fuel Drain Tube and its connections is necessary. Cleaning the tube during routine maintenance prevents contaminant buildup. Replacement is recommended if significant wear or damage is observed ².

Safety Considerations

When working with the Fuel Drain Tube, safety guidelines must be observed. This includes avoiding sparks or open flames near the work area, ensuring proper ventilation during fuel drainage, and wearing personal protective equipment to protect against spills or splashes ³.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With a history of over a century, Cummins is renowned for its quality and innovation in the commercial truck industry ¹.

Compatibility

The Cummins 4007865 Fuel Drain Tube is compatible with several Cummins engine models, including the QSK78 and CM500 series. It is integral to the fuel management system, ensuring the fuel system remains clean and efficient ².

Integration with Fuel Plumbing Components

The Fuel Drain Tube integrates with various fuel system components, including the fuel tank, fuel lines, fuel filters, fuel injectors, fuel pump, and fuel return system. It facilitates the safe and efficient drainage of fuel, maintaining the integrity and efficiency of the fuel plumbing system ³.

Conclusion

The Cummins 4007865 Fuel Drain Tube is a critical component in maintaining the cleanliness and efficiency of the fuel system in commercial trucks. Its proper installation, regular maintenance, and integration with other fuel system components are essential for optimal engine performance and longevity.